Configure your TFTP server to host the C800 Universalk9mzspa1593m10bin image. Ensure that the TFTP server is reachable from the router.
In ROMMON mode, set the IP address of the TFTP server using the ip command: c800universalk9mzspa1593m10bin install
Download the C800 Universalk9mzspa1593m10bin image from the TFTP server using the tftp command: Configure your TFTP server to host the C800